:root {
  color-scheme: light;
  --ink: #071415;
  --paper: #f5f7f6;
  --white: #ffffff;
  --teal: #0f7569;
  --amber: #d9820a;
  --blue: #2169a8;
  --red: #ce3f43;
  --muted: #5c6867;
  --line: #d8dfdc;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--ink); background: var(--paper); letter-spacing: 0; }
a { color: inherit; }
img { max-width: 100%; display: block; }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(7, 20, 21, .96); color: var(--white); border-bottom: 1px solid rgba(255,255,255,.14); }
.nav { width: min(1180px, calc(100% - 32px)); min-height: 64px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 750; text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 7px; }
.nav-links { display: flex; align-items: center; gap: 24px; font-size: 14px; }
.nav-links a { color: #e7efed; text-decoration: none; }
.nav-links a:hover, .nav-links a:focus-visible { color: #ffb54b; }

.hero { position: relative; min-height: min(720px, calc(100vh - 64px)); display: flex; align-items: flex-end; overflow: hidden; background: var(--ink); color: var(--white); }
.hero-media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 55% 18%; }
.hero-shade { position: absolute; inset: 0; background: rgba(2, 11, 12, .70); }
.hero-copy { position: relative; z-index: 1; width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 64px 0 88px; max-width: 1180px; }
.hero-copy h1 { margin: 8px 0 12px; font-size: clamp(58px, 10vw, 128px); line-height: .92; letter-spacing: 0; }
.hero-copy p:last-child { max-width: 660px; margin: 0; font-size: clamp(20px, 3vw, 32px); line-height: 1.25; color: #dfe8e6; }
.eyebrow { margin: 0 0 12px; color: #77d6c8; font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: 0; }
.eyebrow.dark { color: var(--teal); }

.signal-band { display: grid; grid-template-columns: repeat(4, 1fr); background: #102829; color: var(--white); border-top: 1px solid rgba(255,255,255,.1); }
.signal-band div { min-height: 112px; padding: 28px max(24px, 3vw); border-right: 1px solid rgba(255,255,255,.14); }
.signal-band div:last-child { border-right: 0; }
.signal-band strong, .signal-band span { display: block; }
.signal-band strong { color: #ffb54b; font-size: 17px; }
.signal-band span { margin-top: 7px; color: #c9d6d3; font-size: 14px; line-height: 1.4; }

.content-band, .sources-band { background: var(--paper); }
.screen-band, .boundary-band { background: var(--ink); color: var(--white); }
.evidence-band { background: #fff4df; }
.band-inner { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 88px 0; }
.band-inner h2 { max-width: 850px; margin: 0 0 18px; font-size: clamp(36px, 5vw, 64px); line-height: 1.04; letter-spacing: 0; }
.lede { max-width: 820px; margin: 0; color: var(--muted); font-size: 19px; line-height: 1.65; }
.screen-band .lede, .boundary-band p { color: #c6d2cf; }

.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 44px 48px; margin-top: 56px; }
.feature-grid article { padding-top: 20px; border-top: 2px solid var(--line); }
.feature-grid h3 { margin: 18px 0 8px; font-size: 26px; }
.feature-grid p { margin: 0; color: var(--muted); line-height: 1.6; }
.feature-index { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 32px; border: 1px solid currentColor; border-radius: 4px; font-weight: 800; }
.teal { color: var(--teal); }
.amber { color: var(--amber); }
.blue { color: var(--blue); }
.red { color: var(--red); }

.screen-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 48px; }
.screen-grid figure { margin: 0; background: #132526; border: 1px solid #2d4140; border-radius: 6px; overflow: hidden; }
.screen-grid img { width: 100%; aspect-ratio: 1320 / 2868; object-fit: cover; object-position: top; }
.screen-grid figcaption { min-height: 74px; padding: 16px; color: #d6e2df; font-size: 14px; line-height: 1.45; }

.evidence-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 52px; align-items: center; }
.evidence-layout img { border: 1px solid #d8c6a6; border-radius: 6px; box-shadow: 0 24px 60px rgba(44, 35, 20, .17); }
.evidence-list { list-style: none; margin: 34px 0 0; padding: 0; border-top: 1px solid #d8c6a6; }
.evidence-list li { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid #d8c6a6; }
.evidence-list strong { color: var(--teal); }
.evidence-list span { color: #5d5342; }

.boundary-band p { max-width: 900px; font-size: 18px; line-height: 1.65; }
.source-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 34px; }
.source-links a { padding: 18px 0; color: var(--teal); font-weight: 700; text-decoration-thickness: 1px; text-underline-offset: 4px; border-bottom: 1px solid var(--line); }

.site-footer { background: #020b0c; color: #b9c7c4; }
.footer-inner { width: min(1180px, calc(100% - 32px)); min-height: 88px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; font-size: 14px; }
.footer-inner nav { display: flex; gap: 20px; }

.legal-hero { background: #102829; color: var(--white); }
.legal-hero .band-inner { padding-top: 72px; padding-bottom: 72px; }
.legal-hero h1 { margin: 0 0 16px; font-size: clamp(42px, 7vw, 76px); letter-spacing: 0; }
.legal-hero p:last-child { max-width: 760px; margin: 0; color: #c8d6d3; font-size: 18px; line-height: 1.6; }
.legal-content { width: min(900px, calc(100% - 32px)); margin: 0 auto; padding: 60px 0 88px; }
.legal-section { padding: 28px 0; border-bottom: 1px solid var(--line); }
.legal-section h2 { margin: 0 0 10px; font-size: 25px; letter-spacing: 0; }
.legal-section h3 { margin: 24px 0 8px; font-size: 18px; }
.legal-section p, .legal-section li { color: var(--muted); line-height: 1.65; }
.legal-section ul { padding-left: 20px; }
.contact-link { display: inline-block; margin-top: 10px; color: var(--teal); font-weight: 750; }

@media (max-width: 840px) {
  .nav-links a:nth-child(-n+2) { display: none; }
  .signal-band { grid-template-columns: repeat(2, 1fr); }
  .signal-band div:nth-child(2) { border-right: 0; }
  .signal-band div:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.14); }
  .screen-grid { grid-template-columns: repeat(2, 1fr); }
  .evidence-layout { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .nav { min-height: 58px; }
  .nav-links { gap: 14px; }
  .hero { min-height: 74vh; }
  .hero-media { object-position: 42% top; }
  .hero-copy { padding-bottom: 56px; }
  .signal-band { grid-template-columns: 1fr; }
  .signal-band div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.14); }
  .feature-grid, .screen-grid, .source-links { grid-template-columns: 1fr; }
  .band-inner { padding: 64px 0; }
  .screen-grid { max-width: 330px; margin-left: auto; margin-right: auto; }
  .evidence-list li { grid-template-columns: 96px 1fr; }
  .footer-inner { align-items: flex-start; flex-direction: column; justify-content: center; padding: 24px 0; }
}